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参数资料
| 型号： | LTC4214-2IMS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/32页 |
| 文件大小： | 277K |
| 描述： | IC CTRLR HOTSWAP NEGVOLT 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 6 V ~ 16 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
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LTC4214-1/LTC4214-2
2
421412f
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
Supply Voltage
q 6
16
V
I
IN
V
IN
Supply Current
UV = OV = 2.5V
q
0.8
2
mA
V
LKO
V
IN
Undervoltage Lockout
Coming Out of UVLO (Rising V
IN
)
q
5.1
5.6
V
V
LKH
V
IN
Undervoltage Lockout Hysteresis
0.3
V
V
CB
Circuit Breaker Current Limit Voltage
V
CB
= (V
SENSE
V
EE
)
q
44
50
56
mV
V
ACL
Analog Current Limit Voltage
V
ACL
= (V
SENSE
V
EE
), SS = Open
q
60
70
80
mV
V
FCL
Fast Current Limit Voltage
V
FCL
= (V
SENSE
V
EE
)
q
150
200
300
mV
V
SS
SS Voltage
After End of SS Timing Cycle
1.6
V
R
SS
SS Output Impedance
73
k&
I
SS
SS Pin Current
UV = OV = 2.5V, V
SENSE
= V
EE
, V
SS
= 0V (Sourcing)
22
礎
UV = OV = 0V, V
SENSE
= V
EE
, V
SS
= 1V (Sinking)
14
mA
V
OS
Analog Current Limit Offset Voltage
10
mV
V
ACL
+V
OS
Ratio (V
ACL
+ V
OS
) to SS Voltage
0.05
V/V
V
SS
I
GATE
GATE Pin Output Current
V
SENSE
= V
EE
, V
GATE
= 0V (Sourcing)
q 30
50
70
礎
V
SENSE
V
EE
= 0.15V, V
GATE
= 3V (Sinking)
17
mA
V
SENSE
V
EE
= 0.3V, V
GATE
= 1V (Sinking)
190
mA
V
GATE
External MOSFET Gate Drive
V
GATE
V
EE
q
10
11
12
V
V
GATEH
Gate High Threshold
V
GATEH
= V
IN
V
GATE
for PWRGD Status
2.8
V
V
GATEL
Gate Low Threshold
(Before Gate Ramp-Up)
0.5
V
V
UVHI
UV Pin Threshold
UV Rising
q 2.137
2.25
2.363
V
V
UVHST
UV Pin Hysteresis
q 0.22
0.25
0.28
V
V
OVHI
OV Pin Threshold
OV Rising
q 2.85
3
3.15
V
V
OVHST
OV Pin Hysteresis
q 0.12
0.15
0.18
V
V
IN
............................................................ 0.3V to 17V
Input/Output Pins
(Except SENSE and DRAIN) Voltage ..........0.3V to 17V
SENSE Pin Voltage ................................... 0.6V to 17V
Current Out of SENSE Pin (20祍 Pulse)........... 200mA
DRAIN Pin Minimum Voltage .............................. 0.3V
Current into DRAIN Pin (100祍 Pulse) ................... 5mA
Maximum Junction Temperature..........................125癈
Operating Temperature Range
LTC4214-1C/LTC4214-2C .......................0癈 to 70癈
LTC4214-1I/LTC4214-2I ................... 40癈 to 85癈
Storage Temperature Range ................. 65癈 to 150癈
Lead Temperature (Soldering, 10 sec)..................300癈
ORDER PART
NUMBER
MS PART MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTABH
LTABK
LTABJ
LTABL
LTC4214-1CMS
LTC4214-2CMS
LTC4214-1IMS
LTC4214-2IMS
ABSOLUTE AXI U RATI GS
W
W
U
PACKAGE/ORDER I FOR ATIO
U
W
All Voltages Referred to V
EE
(Note 1)
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25?/SPAN>C. V
IN
= 12V, UV = OV = 2.5V unless otherwise noted. (Note 2)
T
JMAX
= 125癈, ?/DIV>
JA
= 160癈/W
1
2
3
4
5
V
IN
WRGD
SS
SENSE
V
EE
10
9
8
7
6
TIMER
UV
OV
DRAIN
GATE
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
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